package com.fenghongzhang.day006;

import android.content.Context;
import android.os.Environment;
import android.util.Log;

import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import java.io.File;

import static org.junit.Assert.*;

/**
 * Instrumented test, which will execute on an Android device.
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
    @Test
    public void useAppContext() {
        // Context of the app under test.
        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();

//        assertEquals("com.fenghongzhang.day006", appContext.getPackageName());
        File file = Environment.getExternalStorageDirectory();
        //创建文件
        ///storage/emulated/0/video
        File file1 = new File(file, File.separator+"video");

        if(!file1.exists()){
            file1.mkdirs();
        }

        Log.i("123", "useAppContext: "+file1.getAbsolutePath());
        System.out.println(file1.getAbsolutePath());
    }
}
